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J Integr Plant Biol, 60 (3): 190-194, Research Article
Jasmonate signaling makes flowers attractive to pollinators and repellant to florivores in nature
Ran Li1, Meredith C. Schuman1, Yang Wang1, Lucas Cortés Llorca1, Julia Bing1, Anne Bennion1,2, Rayko Halitschke1 and Ian T. Baldwin1*
1Department of Molecular Ecology, Max Planck Institute for Chemical Ecology, D-07745 Jena, Germany
2Department of Microbiology and Molecular Biology, Brigham Young University, UT 84602, USA
Abstract

Flowers are required for the Darwinian fitness of flowering plants, but flowers’ advertisements for pollination services can attract florivores. Previous glasshouse work with Nicotiana attenuata revealed the role of jasmonate (JA) signaling in flower development, advertisement and defense. However, whether JA signaling mediates flowers’ filtering of floral visitors in nature remained unknown. This field study revealed that silencing JA signaling resulted in flowers that produce less nectar and benzyl acetone, two pollinator-attractive traits. Meanwhile, flowers of defenseless plants were highly attacked by a suite of native herbivores, and damage to buds in native plants correlated negatively with their JA-Ile levels.

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Received: 19 August 2017      Accepted:
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